How to Replace the Muffler on a Troy-Bilt Pony Lawn Tractor
Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)
If you have Troy-Bilt lawn mower with a broken or damaged muffler, it's going to need to be replaced. Your first step should not be to take it to a repair shop. Instead, try your hand at fixing it yourself by following the steps listed in this article.
Swing by our website to purchase the muffler used in this article.
Removing the Hood
1. Open the hood
Simply pop it open to gain access to the internal parts.
2. Remove the lightbulbs
The bulbs (headlights) are located near the headlights on the inside of your mower -- simply pop them out.
3. Remove the wiring harness
Once you've removed the light bulbs from the inside of the hood, remove the wiring harness that they're connected to.
4. Remove the hood
Lift the hood up and away from the mower -- it'll just come right off.
Removing the Muffler
1. Remove the muffler cover
Use a socket wrench to remove the bolts on each side of this cover, then set the cover aside.
2. Remove the muffler strap bolt
Simply remove this strap bolt with a wrench.
3. Remove the two muffler bolts
The final bolts you'll need to remove are located at the end of the manifold -- use a socket wrench to remove these to fully detach the muffler.
Installing the Muffler
1. Install a new muffler gasket
It's a smart idea to replace the muffler gasket before installing the muffler.
2. Mount the muffler
Secure the muffler manifold with the two bolts that were removed previously.
3. Replace the bolt on the muffler strap
Secure this bolt with a wrench.
4. Replace and secure the muffler cover
Place the cover back into its original position and secure with the two bolts on each side.
Replacing the Hood
1. Reset the hood to its original location
Set the mower hood back onto the mower -- it should 'snap' back in.
2. Reinstall the wiring harness and lightbulbs
Snap the two headlight bulbs back into the mower hood and tuck the wiring harness back into its original location.
3. Shut the hood
Shut the hood to finalize the repair.
Conclusion
And that's how easy it is to replace a broken or damaged muffler in a Troy-Bilt lawn mower. Although other models of riding lawn mowers may be slightly different, the process of replacing the muffler in those models should be consistent with the steps in this article. Now get out and start mowing!
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